Home / 18,475.75-27,719.53-6,621.52

Finding the Fourth Proportional to 18,475.75, 27,719.53 and 6,621.52

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Solution

The fourth proportional to 18,475.75, 27,719.53 and 6,621.52 is: 9,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.75 : 27,719.53 = 6,621.52 : x
  2. Step 2: Convert to fraction form
    18,475.75/27,719.53 = 6,621.52/x
  3. Step 3: Cross multiply
    18,475.75x = 27,719.53 × 6,621.52
  4. Step 4: Simplify right side
    18,475.75x = 183,545,422.29
  5. Step 5: Solve for x
    x = 183,545,422.29/18,475.75
  6. Step 6: Final answer
    x = 9,934.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.